Pith Number

pith:MIHIPLR4

pith:2018:MIHIPLR4J3KFSLBIDOV2G7KJ6C

not attested not anchored not stored refs pending

A lifting problem for DG modules

Maiko Ono, Yuji Yoshino

arxiv:1805.05658 v1 · 2018-05-15 · math.AC

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MIHIPLR4J3KFSLBIDOV2G7KJ6C}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T00:15:59.927782Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

620e87ae3c4ed4592c281baba37d49f0b624952158802ca55ffbfc44104f2f37

Aliases

arxiv: 1805.05658 · arxiv_version: 1805.05658v1 · doi: 10.48550/arxiv.1805.05658 · pith_short_12: MIHIPLR4J3KF · pith_short_16: MIHIPLR4J3KFSLBI · pith_short_8: MIHIPLR4

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/MIHIPLR4J3KFSLBIDOV2G7KJ6C \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 620e87ae3c4ed4592c281baba37d49f0b624952158802ca55ffbfc44104f2f37

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "30e7a805c86f4cb55118c75c1ea9d9b48da29be35562ebf16c32b67f3452fa05",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AC",
    "submitted_at": "2018-05-15T09:26:33Z",
    "title_canon_sha256": "8242792e5699a00dd5b625e2717bf21370a954ecf29e39bde4742d9b7411d7e3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.05658",
    "kind": "arxiv",
    "version": 1
  }
}